An XMPP Sub-protocol for WebSocket
draft-ietf-xmpp-websocket-08

The information below is for an old version of the document
Document Type Active Internet-Draft (xmpp WG)
Last updated 2014-07-22
Replaces draft-moffitt-xmpp-over-websocket
Stream IETF
Intended RFC status Proposed Standard
Formats plain text pdf html bibtex
Reviews
Stream WG state Submitted to IESG for Publication
Document shepherd Peter Saint-Andre
Shepherd write-up Show (last changed 2014-06-16)
IESG IESG state IESG Evaluation::AD Followup
Consensus Boilerplate Unknown
Telechat date
Needs 8 more YES or NO OBJECTION positions to pass.
Responsible AD Richard Barnes
Send notices to xmpp-chairs@tools.ietf.org, draft-ietf-xmpp-websocket@tools.ietf.org, stpeter@jabber.org
IANA IANA review state Version Changed - Review Needed
IANA action state None
XMPP Working Group                                         L. Stout, Ed.
Internet-Draft                                                      &yet
Intended status: Standards Track                              J. Moffitt
Expires: January 23, 2015                                        Mozilla
                                                              E. Cestari
                                                        cstar industries
                                                           July 22, 2014

                   An XMPP Sub-protocol for WebSocket
                      draft-ietf-xmpp-websocket-08

Abstract

   This document defines a binding for the XMPP protocol over a
   WebSocket transport layer.  A WebSocket binding for XMPP provides
   higher performance than the current HTTP binding for XMPP.

Status of This Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

   Internet-Drafts are working documents of the Internet Engineering
   Task Force (IETF).  Note that other groups may also distribute
   working documents as Internet-Drafts.  The list of current Internet-
   Drafts is at http://datatracker.ietf.org/drafts/current/.

   Internet-Drafts are draft documents valid for a maximum of six months
   and may be updated, replaced, or obsoleted by other documents at any
   time.  It is inappropriate to use Internet-Drafts as reference
   material or to cite them other than as "work in progress."

   This Internet-Draft will expire on January 23, 2015.

Copyright Notice

   Copyright (c) 2014 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal
   Provisions Relating to IETF Documents
   (http://trustee.ietf.org/license-info) in effect on the date of
   publication of this document.  Please review these documents
   carefully, as they describe your rights and restrictions with respect
   to this document.  Code Components extracted from this document must
   include Simplified BSD License text as described in Section 4.e of

Stout, et al.           Expires January 23, 2015                [Page 1]
Internet-Draft             XMPP over WebSocket                 July 2014

   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   3
   3.  XMPP Sub-Protocol . . . . . . . . . . . . . . . . . . . . . .   3
     3.1.  Handshake . . . . . . . . . . . . . . . . . . . . . . . .   3
     3.2.  WebSocket Messages  . . . . . . . . . . . . . . . . . . .   4
     3.3.  XMPP Framing  . . . . . . . . . . . . . . . . . . . . . .   5
       3.3.1.  Framed XML Stream . . . . . . . . . . . . . . . . . .   5
       3.3.2.  Framed Stream Namespace . . . . . . . . . . . . . . .   5
       3.3.3.  Stream Frames . . . . . . . . . . . . . . . . . . . .   5
     3.4.  Stream Initiation . . . . . . . . . . . . . . . . . . . .   6
     3.5.  Stream Errors . . . . . . . . . . . . . . . . . . . . . .   7
     3.6.  Closing the Connection  . . . . . . . . . . . . . . . . .   7
       3.6.1.  see-other-uri . . . . . . . . . . . . . . . . . . . .   8
     3.7.  Stream Restarts . . . . . . . . . . . . . . . . . . . . .   9
     3.8.  Pings and Keepalives  . . . . . . . . . . . . . . . . . .   9
     3.9.  Use of TLS  . . . . . . . . . . . . . . . . . . . . . . .   9
     3.10. Stream Management . . . . . . . . . . . . . . . . . . . .  10
   4.  Discovering the WebSocket Connection Method . . . . . . . . .  10
   5.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  11
     5.1.  WebSocket Subprotocol Name  . . . . . . . . . . . . . . .  11
     5.2.  URN Sub-Namespace . . . . . . . . . . . . . . . . . . . .  11
   6.  Security Considerations . . . . . . . . . . . . . . . . . . .  12
   7.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  13
     7.1.  Normative References  . . . . . . . . . . . . . . . . . .  13
     7.2.  Informative References  . . . . . . . . . . . . . . . . .  13
   Appendix A.  Acknowledgements . . . . . . . . . . . . . . . . . .  14
   Appendix B.  XML Schema . . . . . . . . . . . . . . . . . . . . .  14
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  16

1.  Introduction

   To date, applications using the Extensible Messaging and Presence
   Protocol (XMPP) (see [RFC6120] and [RFC6121]) on the Web have made
   use of BOSH (see [XEP-0124] and [XEP-0206]), an XMPP binding to HTTP.
   BOSH is based on the HTTP long polling technique, and it suffers from
   high transport overhead compared to XMPP's native binding to TCP.  In
   addition, there are a number of other known issues with long polling
   [RFC6202], which have an impact on BOSH-based systems.

   It would be much better in most circumstances to avoid tunneling XMPP
Show full document text